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Please, don't use CAPS, it looks like you are shouting as you probably know. Also consider to provide a more usefull title next time, one that describes your problem. You will find you might get more help that way!
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NanneNov 27 '12 at 12:29

1 Answer
1

hdiutil is a MAC utility which you need to run in terminal to convert the Ubuntu .iso to .IMG

When you down load an Ubuntu installable from ubuntu website, the installable is a .iso extension installable. For installing it on a MAC machine, you need to run the above utility to convert the ubuntu ".iso" extensioned file to ".img" extensioned file.

So for e.g if the Ubuntu installable that you have downloaded is 'ubuntu.iso' then after running the above command, it will get converted to 'ubuntu.img'